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Finding the Fourth Proportional to 186,738.40, 280,107.60 and 62,063.20

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Solution

The fourth proportional to 186,738.40, 280,107.60 and 62,063.20 is: 93,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,738.40 : 280,107.60 = 62,063.20 : x
  2. Step 2: Convert to fraction form
    186,738.40/280,107.60 = 62,063.20/x
  3. Step 3: Cross multiply
    186,738.40x = 280,107.60 × 62,063.20
  4. Step 4: Simplify right side
    186,738.40x = 17,384,374,000.32
  5. Step 5: Solve for x
    x = 17,384,374,000.32/186,738.40
  6. Step 6: Final answer
    x = 93,094.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.